GENERAL DUTY STEM CASTERS GENERAL DUTY STEM CASTERS Product No.   H15HR-5A-ZN-PP Wheel Size   1-1/2 x 3/4" Cap. (lbs.)   80 Stem   Threaded Stem 5 /16-18 x 3/4" Wheel Type   Polypropylene Wt. (lbs.)   0.375 Price Ea.   $3.57 Quantity: